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Finding the Fourth Proportional to 96.69, 145.17 and 94.44

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Solution

The fourth proportional to 96.69, 145.17 and 94.44 is: 141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.69 : 145.17 = 94.44 : x
  2. Step 2: Convert to fraction form
    96.69/145.17 = 94.44/x
  3. Step 3: Cross multiply
    96.69x = 145.17 × 94.44
  4. Step 4: Simplify right side
    96.69x = 13,709.85
  5. Step 5: Solve for x
    x = 13,709.85/96.69
  6. Step 6: Final answer
    x = 141.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.